One of the Hemmings editors had his engine seize and is blaming it on using
synthetic oil in an engine that had previously only burned regular oil. The
car had 73,000 miles.....mostly all short trip miles. He said "The cylinder
head was covered, not in sludge but with hardened, baked oil. Worse was the
lifter valley area below the intake, as shown in the photo. According to
several sources, the synthetic oil eventually broke up the old, hardened
deposits (thanks to the original owner's short-trip driving style), which
then clogged all the oil galleys and oil pump, which then ruined the
bearings."
Read it all here (http://tinyurl.com/2l7f46) and double click the picture of
the head.....it really is pretty ugly what happened.
Bob Danielson
1975 TR6 CF38503U
Running w/ Throttle Body Injection
http://tr6.danielsonfamily.org
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